/*
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Contributor(s):
 *   Lan Qiang <jameslan@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK *****
 */

#ifndef nsZipIOQueueImpl_h__
#define nsZipIOQueueImpl_h__

#include "nscore.h"

class nsZipIOCommand
{
public:
	nsZipIOCommand() : mNext(nsnull) {}
	virtual ~nsZipIOCommand() {}
	virtual nsresult Execute() = 0;

	nsZipIOCommand* GetNext() { return mNext; }
	void SetNext(nsZipIOCommand *next) { mNext = next; }

private:
	nsZipIOCommand*          mNext;
};

class nsZipIOCmdTest : public nsZipIOCommand
{
public:
	nsZipIOCmdTest(const char *aEntryName);
	nsresult Execute();
};

class nsZipIOCmdExtract : public nsZipIOCommand
{
public:
	nsZipIOCmdExtract(const char *aEntryName);
	nsresult Execute();
};

class nsZipIOCmdInputStream : public nsZipIOCommand
{
public:
	nsZipIOCmdInputStream(const char *aEntryName);
	nsresult Execute();
};

#endif
